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Note 19 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of shares (in thousands)		Weighted- average exercise price		Weighted- average remaining contractual term in years		Aggregate intrinsic value (in thousands)
Options outstanding as of December 31, 2014	48,724		$18.94
Granted	1,578		21.48
Exercised	(6,340)		16.13
Forfeited and expired	(1,224)		20.78
Options outstanding as of December 31, 2015	42,738		19.40		3.93		$83,023
Options expected to vest as of December 31, 2015	42,696		19.40		3.93		82,992
Options exercisable as of December 31, 2015	35,245		19.86		3.08		65,817

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2015				2014				2013
Expected volatility	43.6	-	44.9%		45.4	-	46.2%		46.5	-	47.4%
Weighted-average volatility	43.6	-	44.9%		45.4	-	46.2%		46.6	-	47.3%
Expected dividends	1.92	-	2.68%		1.90	-	2.09%		2.35	-	3.02%
Risk-free rate	1.9	-	2.1%		2.0	-	2.2%		0.8	-	2.2%
Average risk-free rate	1.9	-	2.1%		2.0	-	2.2%		1.1	-	2.2%
Expected term (in years)	7.2	-	7.2		7.2	-	7.2		5.8	-	7.2
Pre-vesting departure rate	0.6	-	0.6%		0.5	-	0.5%		0.4	-	4.1%

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Shares (000’s)		Weighted- average grant-date fair value
Non-vested shares and share units at December 31, 2014	5,737		$15.43
Granted	1,815		21.49
Vested	(2,238)		14.35
Forfeited	(72)		21.11
Non-vested shares and share units at December 31, 2015	5,242		17.91

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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